BMI Calculator
Calculates body mass index (BMI) from height and weight (US units).
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Weight (lb)
- Height (feet) (ft)
- Height (inches) (in)
Example calculation
BMI (Normal): 23.6
| Category | Normal |
|---|---|
| Healthy weight range | 125 – 169 lb |
Method & notes
BMI does not distinguish muscle from fat; use as a general reference only. Categories per WHO/CDC.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the BMI Calculator work?
Calculates body mass index (BMI) from height and weight (US units). BMI does not distinguish muscle from fat; use as a general reference only. Categories per WHO/CDC.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.